package negocio;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * Servlet Filter implementation class FiltroPaginaAdm
 */
@WebFilter(filterName = "TimeOfDayFilter",
		    urlPatterns = {"/telaAdmin.html"})
public class FiltroPaginaAdm implements Filter {

    /**
     * Default constructor. 
     */
    public FiltroPaginaAdm() {
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

		 HttpSession session = ((HttpServletRequest) request).getSession();
		
		  Object u = session.getAttribute("usuarioEmpresa");
	        if (u != null){
	          chain.doFilter(request, response);
	        }
	        else{
	            //request.getRequestDispatcher("../index.jsp").forward(request, response);
	            ((HttpServletResponse) response).sendRedirect(((HttpServletResponse) response).encodeRedirectURL("acessoNegado.html"));
	        }
		
		/*Empresa emp =(Empresa) session.getAttribute("usuarioEmpresa");
		System.out.println("Teste");*/
		//chain.doFilter(request, response);
	        
	        
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}
